xref: /OK3568_Linux_fs/kernel/include/misc/rk_scr_api.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Driver for Rockchip Smart Card Reader Controller
3  *
4  * Copyright (C) 2012-2016 ROCKCHIP, Inc.
5  *
6  * This software is licensed under the terms of the GNU General Public
7  * License version 2, as published by the Free Software Foundation, and
8  * may be copied, distributed, and modified under those terms.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #ifndef __RK_SCR_API_H__
17 #define __RK_SCR_API_H__
18 
19 int scr_open(void);
20 int scr_close(void);
21 int scr_check_card_insert(void);
22 int scr_reset(void);
23 
24 int scr_get_atr_data(unsigned char *atr_buf, unsigned char *atr_len);
25 ssize_t scr_write(unsigned char *buf, unsigned int write_cnt,
26 		  unsigned int *to_read_cnt);
27 ssize_t scr_read(unsigned char *buf, unsigned int to_read_cnt,
28 		 unsigned int *have_read_cnt);
29 
30 void scr_set_etu_duration(unsigned int F, unsigned int D);
31 void scr_set_work_waitingtime(unsigned char wi);
32 
33 #endif	/* __RK_SCR_API_H__ */
34